Behavioral task
behavioral1
Sample
windowsfirewall-cleaned-cleaned.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
windowsfirewall-cleaned-cleaned.exe
Resource
win10v2004-20220812-en
General
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Target
windowsfirewall-cleaned-cleaned.exe
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Size
269KB
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MD5
c333e63d128e050654fbb449b7181025
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SHA1
efae10124243d73c53f39e9b6e06034a0b6bccdf
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SHA256
a76c3667e10e44f6c0e25f34551145a74a37467de7523d51147ae13867471c49
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SHA512
4408f8d4ed4c1f023d1e1941eef44b1e7a107db5deb316f289816469184b102295769cbb40e04a86e0213f43e738b65053c6a6e7e92a5278c83e2052ec821599
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SSDEEP
6144:og6Hn50pvLHC/9UstNtNtNt5Z69Agb9IscS:Qn5wYZ/s5
Malware Config
Extracted
quasar
1.4.0.0
firewall.msc
xmarvel.ddns.net:4782
Z3hikKeJ9QsXRajr05
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encryption_key
Y2QlNznzjD82S0MqUbBi
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install_name
wf.exe
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log_directory
Logs
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reconnect_delay
1
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startup_key
windowsfirewall
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subdirectory
WindowsFirewall
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar
Files
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windowsfirewall-cleaned-cleaned.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 266KB - Virtual size: 266KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ